Home / 4,987.62-7,483.14-3,136.58

Finding the Fourth Proportional to 4,987.62, 7,483.14 and 3,136.58

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Solution

The fourth proportional to 4,987.62, 7,483.14 and 3,136.58 is: 4,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.62 : 7,483.14 = 3,136.58 : x
  2. Step 2: Convert to fraction form
    4,987.62/7,483.14 = 3,136.58/x
  3. Step 3: Cross multiply
    4,987.62x = 7,483.14 × 3,136.58
  4. Step 4: Simplify right side
    4,987.62x = 23,471,467.26
  5. Step 5: Solve for x
    x = 23,471,467.26/4,987.62
  6. Step 6: Final answer
    x = 4,705.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.